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5- What is the task (function) of the excitation and isolation transformers in power plant? 6- What is the task (function) of LCI (A), LCI (B) and LCI (COS) in power plant? : LCI (A) and LCI(B) are load commutating inverter for generator turbine starting. , LCI (COS) is load commutating inverter change over switch
37647- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?
2231How to calculate cable sizes in sq.mm. with using motor KW? Any formula there?
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18 306267I need the recommended size for a 3 phase transformer at 13.8 KV Primary and connected loads of 3000 kVA at 4200 volts and 2375 kVA @ 480 volts AC.
1977what happen if i connect DYn11 and DYn1 vector group transformer in parrallel?other things are same like votage ration,x/r ratiob etc...
4 32542is there any difference between protection C.T and measuring C.T?if yes then what is the difference?
4 12384Post New Electrical Engineering Questions
What is the difference between resistance grounding system and resistance earthing system?
Bimetal strip used in overload relay what is that,which types of material used for that & percentage.
Which type of transformer is used for lighting loads?
why is the power generator connected as star earthed or star earthed through reactance and what its features ?
how to copy from plc ge fanuc versamax series,all input and output, adress, and printout.
Can you explain about Restricited earth fault protection scheme
Why are short circuit ratings always 16kA,25kA,36kA and 50kA.Who has fixed these?
In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?
Q) Write VBscript code along with QTPscript code in QTP tool for below scenario 1. Launch yahoo site(i know) 2. Do loogin(i know) 3.Click inbox link(i know) 4.Go to every page of mail box and count no.of read mails and no.of unread mails(i know) 5.Store page numbers, read mail count and unread mail count in a new excel file sheet 6.Create 10 types of graphs on that data 7.Do logout and close site(i know) 8.Save new excel files with graph
sail kaott diploma ece ke interviw me qus.kis parkar ke aate hai aur G.S me kya puchate hai kya sameedyaan me kis parkar ke qu.puchate hai
How one may guess the direction from which the distribution line is incoming if there is no pole plate on poles?
Why negative feedback is preferred in the control system?
What is the purpose of using busbar mounting fuse?
HOW TO CALCULATE EARTHING SIZING?
what is the write prosidure of stringing of 8meter pcc pole.
